kbass302 Posted June 25, 2013 Report Posted June 25, 2013 in the title, do i need an isolator? i have a lead-acid battery from advance auto party for my car up front with 525 CCA, and just bought an AGM sound quest battery with 520 CCA. they are about identical, but theyre two different batt styles.any input is awesome. headunit: pioneer 1400DVDsub stage: FI Q 15 D2sub amp: VVME inno-d 1500 voice amp: VVME 4 channel 4080.2nd battery: Soundquest SQB2000 2nd batterywiring:run of stinger ofc 4 gauge to 2nd battery sky high and knu 0 gauge to bass ampsub box: custom ported box, 3.73^3 tuned to 32hz rca's: stinger 6000 for basskicker 4 channel for voice front stage:JBL gto608crear stage:renegade 6.2c
purplesyrup Posted June 25, 2013 Report Posted June 25, 2013 dont run an isolator Most will tell you to run all AGM, but in the past i have ran acid under the hood and AGM in the back for years with no issues what so ever I am currently running an acid under the hood and AGM's in the back also, no issues
kbass302 Posted June 25, 2013 Author Report Posted June 25, 2013 difference in resting voltages? im obv not gonna pound with the car off, thats dumb, but the resting voltage i heard will be off, when i get my AGM, imma get a brand new battery for the front reguardless, would that help? so ill have 2 brand new batts. headunit: pioneer 1400DVDsub stage: FI Q 15 D2sub amp: VVME inno-d 1500 voice amp: VVME 4 channel 4080.2nd battery: Soundquest SQB2000 2nd batterywiring:run of stinger ofc 4 gauge to 2nd battery sky high and knu 0 gauge to bass ampsub box: custom ported box, 3.73^3 tuned to 32hz rca's: stinger 6000 for basskicker 4 channel for voice front stage:JBL gto608crear stage:renegade 6.2c
98GCLimited Posted June 25, 2013 Report Posted June 25, 2013 I ran a lead acid up front and agm in back for quite a while over a year until the agm died. Not sure if had to do with mixing batt types or just that the deka was used when I bought it and probably old and eventually wouldnt hold a decent charge anymore.
kbass302 Posted June 25, 2013 Author Report Posted June 25, 2013 any other input? this is helping me make my decision very quickly.lol headunit: pioneer 1400DVDsub stage: FI Q 15 D2sub amp: VVME inno-d 1500 voice amp: VVME 4 channel 4080.2nd battery: Soundquest SQB2000 2nd batterywiring:run of stinger ofc 4 gauge to 2nd battery sky high and knu 0 gauge to bass ampsub box: custom ported box, 3.73^3 tuned to 32hz rca's: stinger 6000 for basskicker 4 channel for voice front stage:JBL gto608crear stage:renegade 6.2c
covi1234 Posted June 26, 2013 Report Posted June 26, 2013 Good info. I have heard not to mix match different chemistry batteries. I personally have two lead acid batteries under the hood of my tahoe. Just wired parallel. I'm going to do that until I can afford some nice car audio batteries
beatnbronco Posted June 26, 2013 Report Posted June 26, 2013 I lost an agm in my bank once, I hear that over time that acid batts will kill agm, now I run a diehard agm under hood. It cost the same and gives piece of mind
purplesyrup Posted June 26, 2013 Report Posted June 26, 2013 Its volts and amperage. Its not like its a different kind of electricity.
Amart88 Posted June 26, 2013 Report Posted June 26, 2013 I have ran stock acid with agm in the past. I think it was a kinetic and an ac delco. Worked fine. As long as the resting voltages are fairly close it should not negatively effect the batteries. I like AGM better though. XS Power agm's have a slightly higher resting voltage than some kinetics to that allows the acid battery to leech off of it and drag the voltage down. My 2005 s10 blazer build. 4 zcon 18's walled.
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